[Retracted] Measuring Subthalamic Nucleus Volume of Parkinson’s Patients and Evaluating Its Relationship with Clinical Scales at Pre- and Postdeep Brain Stimulation Treatment: A Magnetic Resonance Imaging Study

Figure 1

Flow chat of patient selection. 200 patients, clinically confirmed with primary PD, were recruited, and 141 patients were excluded due to different reasons including treatment with medication, PD history less than five years, 1-2 HY stage, head motion artifacts, or incomplete MRI data.